COSTILLA RESERVOIR NEAR COSTILLA
Reservoir Levels • Weather • Hydrology
November 21, 2024
YEAR OVER YEAR
SUMMARY
| Gage Height, Ft 24hr Change | 0.1% |
| Percent of Normal | 84% |
| Minimum |
48.52 ft
2012-08-31 |
| Maximum |
105.87 ft
2010-06-14 |
| Average | 69 ft |
| Dam_Height | 137.5 |
| Hydraulic_Height | 108 |
| Drainage_Area | 55 |
| Year_Completed | 1920 |
| Nid_Storage | 30499 |
| Structural_Height | 137.5 |
| River_Or_Stream | RIO COSTILLA |
| Foundations | Unlisted/Unknown |
| Surface_Area | 416 |
| Hazard_Potential | High |
| Outlet_Gates | Valve - 0 |
| Dam_Length | 780 |
| Primary_Dam_Type | Earth |
| Nid_Height | 138 |
Costilla Dam, located in Taos, New Mexico, along the Rio Costilla, is a privately-owned structure with a primary purpose of irrigation. Built in 1920 by the USBR, this earth dam stands at a height of 137.5 feet and has a storage capacity of 30,499 acre-feet. The dam has a surface area of 416 acres and serves a drainage area of 55 square miles.
Despite being regulated by the Office of the State Engineer and undergoing regular inspections, Costilla Dam is classified as having a high hazard potential with a fair condition assessment. The dam's spillway is uncontrolled with a width of 35 feet, and it has a maximum discharge of 20,200 cubic feet per second. With a risk assessment rating of moderate, there is a need for ongoing risk management measures to ensure the safety and integrity of this essential water resource infrastructure for the surrounding community and environment.
